88cf86f56b
### What changes were proposed in this pull request? 1, add `BinaryLogisticBlockAggregator` and `MultinomialLogisticBlockAggregator` and related testsuites; 2, impl `virtual centering` in standardization; 3, remove old `LogisticAggregator` ### Why are the changes needed? previous [pr](https://github.com/apache/spark/pull/31693) and related works is too large, we need to split it into 3 prs: 1, this one, impl new agg supporting `virtual centering`, remove old `LogisticAggregator`; 2, adopt new blor-agg in lor, add new test suite for small var features; 3, adopt new mlor-agg in lor, add new test suite for small var features, remove `BlockLogisticAggregator`; ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? added testsuites Closes #31889 from zhengruifeng/blor_mlor_agg. Authored-by: Ruifeng Zheng <ruifengz@foxmail.com> Signed-off-by: Sean Owen <srowen@gmail.com> |
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